package typeinfo;
import  net.mindview.util.*;

public class Person {

   public final String first;
   public final String last;
   public final String address;
   
   public Person(String first,String last,String address) {
	   this.first = first;
	   this.last = last;
	   this.address = address;
   }
   public static class NullPerson extends Person implements Null {
	   private NullPerson() {
		   super("None","None","None");
	   }
	   public String toString (){
		   return "NullPerson";
	   }
   }
   public static final Person NUll = new  NullPerson();
}
